package com.coolwen.springmvc.service;




import com.coolwen.springmvc.model.Group;

import java.util.List;

/**
 * @author CoolWen
 * @version 2018-10-02 19:56
 */
public interface GroupService {
    public void add(Group group);

    public void delete(int gid);

    public void update(Group group);

    public Group load(int gid);


    public List<Group> listAll();




}
